<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #c{
            color: green;
        }
        .c1{
            color: blue;
        }
        h1,h2{
            background-color: yellow;
        }
        [type]{
            color: pink;
        }
        [type="submit"]{
            background-color: red;
        }
        *{
            border: 1px solid blue;
        }
    </style>
</head>
<body>
<ul>
    <li id="c">张学友</li>
    <li class="c1">刘德华</li>
    <li>郭富城</li>
</ul>
<h1 class="c1">悟空</h1>
<h1>八戒</h1>
<h1>沙僧</h1>
<h2>刘备</h2>
<input type="submit" value="提交按钮">
<input type="button" value="普通按钮">

</body>
</html>